I'm so sorry you are going through this, but I am glad you are here.
I think it's hard to want to try to work on the M and having everyone including your C to let him go. When it comes down to it, it is what YOU want and nobody else.
As for the personality disorder, maybe he does and maybe he doesn't. It sounds like he might not want you but he doesn't want anyone else to have you either, am I right?
Just keep doing your 180's and working on you. I know it's hard to do but it is a must.
"Everyone you meet has baggage. Find someone who loves you enough to help you unpack." ¤Formerly DelinquentGurl¤